108394347409919 has 4 divisors (see below), whose sum is σ = 109766427756960. Its totient is φ = 107022267062880.

The previous prime is 108394347409897. The next prime is 108394347409939. The reversal of 108394347409919 is 919904743493801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108394347409919 - 2²⁴ = 108394330632703 is a prime.

It is a super-2 number, since 2×108394347409919² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108394347409939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686040173402 + ... + 686040173559.

It is an arithmetic number, because the mean of its divisors is an integer number (27441606939240).

Almost surely, 2^{108394347409919} is an apocalyptic number.

108394347409919 is a deficient number, since it is larger than the sum of its proper divisors (1372080347041).

108394347409919 is an equidigital number, since it uses as much as digits as its factorization.

108394347409919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372080347040.

The product of its (nonzero) digits is 211631616, while the sum is 71.

The spelling of 108394347409919 in words is "one hundred eight trillion, three hundred ninety-four billion, three hundred forty-seven million, four hundred nine thousand, nine hundred nineteen".